[Warning Light] Error codes

[Ken27]

Hi if anyone gets a p0101 code fault with p0401 pending check inside the red/ orange boot attached to the turbo pipe from air intake from maff sensor i had this and couldnt find leak then discovered red boot torn inside the air pipe / tubing the smallest tear but enough to bring on mil light new boot from ebay around £5 or just replace complete pipe £24, ebay sorted